Hardware Spec Index

Brontix FN-9857 Max 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9857-MAX · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index359 (Case Fans scale)
Category rank#46,618
Street price$9
Power4 W
Performance per dollar39.89
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9857 Max
Size140 × 140 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9857 Max 140mm PWM Case Fan”, https://vextor7.com/item/3916140 (accessed 2026-10-21).